Process for melting and refining iron.



H, JOHNSON. PROCESS FOR MELTING AND REFINING IRON.

APPLICATION FILED NOV. 4, 1909.

Patented Mar. 15, 1928.

2 SHBETS-SHEET 1.

H, JOHNSON. PROCESS FOR MELTING AND REFINING IRON.

APPLICATION FILED NOV. 4, 1909.

Patented Mar. 15, 1919.

2 SHEETBSHEET 2,

w fg dww 16 mam-m i JSEL 4* FOR MELTING AND REEINIHG l- Application filed November 1909. Serial No.

l', 1 Q1121 JOHNSON, a King f Great lnitziin residhe, Saxilby, in tho county 100.111, nginncl, steel-founder, ha've inel certain new and. useful improveo for Melting and Refin- "m, ofwhieh the following is n speeifihe 1 proved or the cost of reclnoeali 1* its object o process onl of which the quality of PlOVOii to ilo/highest; de-

the (2055 of melting male invention, 1 force the through the molten metal l in and Lho burning ,re niiilizeil. to heal: and inch el'mi'gos of iron trucked "e0 carry out: the/ procin ention may he Uupoln, which may or without :1

h PXCSSUZO olnst lihe side wall; at the I and number be neli'iLg capacity of the being oonnoi; ml to a A or or pressur blower no the mole 1. The bottom :li'n'zruail will! a. tapping the i'nelal. i'wminiz'ig at M be run off. A set of io prossn re 'i'wyers 'iv some level as he homing (1001' is ali'iu'igecl so that the descending mi upon as a rochieing 2 by the r gases as they pass from the hrilth ihrongh the charge to the atinesph ere.

i'ho neoompiuiying (lPLLWiIlgT'; which illuslil'nio uv eupolzz capable of oariying out he DZUCQSH, moor-(lingto my invention, i ig- Specification of Letters lacenc.

ure 1 is a Vertical. seoi'ion Fig. 2 is :1. hi: zontal section and Fig; 21 sectional p of one of the on bricks.

Tho onpolzi a is :fo'mied with a bath Z) ii its bottom n mble of holding a snilnhhia' quantity of molten metal. Bins; twyers 0 are fitted at the side of the bath, and are connected by pipes 01 with a.sili'hil le source of high pressure air, such ns an air oom- 1)llS$O1 0I' pressure hloweu. '--0ne or more lapping hole ()1 holes e or are formed iii) the bottom of the bath 3). A set of 'liwyers are fitted at about the some level as the top of the both and are connected by pipes and trunks (shown in dolled lino?v in Fig. 2) lo 1 suitable source comparatively .lUYJ pi ln'e air, such as :1 Sllli'FliL iQ H1 or hiPlfOiI IL is ihe charging door filial i :he chn imp pizitil'orin.

The lywye-rs o are bricks (llir 'i Ol'IHM as 23) which are lllOiUtli or l'i 11ml olf coke 11L y be gradually 1'6; l as Lhe inc-filling has C(HHIHQHCQli z'n'n pei'ahnro inoreznsee, m1 rhe gw'e: by the How alone are nsoil lo cont n'ielting opo iizion. ,n then be oponefi to L: oophme or plied with slezun or both to mix with burning g: e mill support the coinbnslio I claim 1. A. prooe olj' eciuoing and refining iron which. consists in forming ii lznlh of molt "51 hxon at the bottom of o cupole :unrl proviih lug oharg of ihe ore and fuel above hath, ikn'eing air at; high pros hollow i. E the bath 0'5 1 ill 1 o )n to ate therefrom in o hni'nin causing cziiil honing to H descending charges as 21 reclii izing 22v aclmiiting :1 eiqiiplomeni union hnsiaion snstninii'ig gals ah Slll'jSl'iiluiziiif level of the lop of the bath of n'ioi'len hai i 9. A process of reducing nmi .i'elinil Q n which consists in forming a lmlh of moi iron at the bottom of a oupolzi 21ml Pl'UViilr iug ohzu'gesof iron ore and fuel ahove SEMil. hath, forcing nir' iit high pressure horizontally into the bottom of the bath oi mol'l'ez iron to uniformly lihe'ote tho 'elroin g1 in :i burning condition, cousin J l(,i bin-hing lihe mind from the l: 11th oi mollon iron i ll) to act upon the descending charges as a rei my hand in presence of two subscribing ducing agent, and admittlng a supp1emen- Witnesses.

fiery amount of low pressure air at substantially the level of the top 0f the bath to as' si'st or support combustion in the zone oecu- Witnesses:

pied by the charges. LUTHER J. FARR,

In testimony whereof I have hereunto set CHAS. N. DANIELS. 

